/**
 * Copyright 2004 Cordys R&D B.V. 
 * 
 * This file is part of the Cordys FTP Connector. 
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 package com.eibus.applicationconnector.ftp;

import com.eibus.soap.fault.Fault;
import com.eibus.util.logger.CordysLogger;
import com.eibus.util.logger.Severity;
import com.eibus.xml.nom.Document;
import com.eibus.xml.nom.Node;
import com.eibus.applicationconnector.ftp.localization.message.Messages;

/**
 * This class is the handler for FTP's DELETE command
 */
class Delete extends FTPCommand
{
	private String statusMsg;
    private Document document;
    private static final CordysLogger logger = CordysLogger.getCordysLogger(Delete.class);

	@Override
	public boolean prepare()
	{
		document = Node.getDocument(requestXML);
		
		String path = "";
		int pathNode = Node.getElementNS(requestXML, "path", getNameSpace());
		
		if(pathNode>0)
		{
			path = Node.getDataWithDefault(pathNode, "");
		}
		else
		{
			logger.log(Severity.ERROR, "<path> node is not specified in delete method.");
            Fault fault = response.createSOAPFault(Fault.Codes.CLIENT,Messages.FILES_NOT_SPECIFIED_DELETE);
            addFaultDetails2(fault.getDetail(), null, DEFAULT_QNAME, null, null);
            return false;
		}

		path = getProperFileSeparator(path, true);
		
		try
		{
			statusMsg = adapter.delete(path);
		}
		catch (FTPException e)
		{
			logger.log(Severity.ERROR, "An error has occurred while executing DELETE method. " + e.getMessage());
			int errorNode = document.createTextElement("error", e.getMessage());
            Fault fault = response.createSOAPFault(Fault.Codes.CLIENT, Messages.SPECIFIED_FILE_NOT_FOUND);
            fault.getDetail().addDetailEntry(errorNode);
            addFaultDetails2(fault.getDetail(), null, DEFAULT_QNAME, null, null);
            return false;
		}
		catch(Exception e)
		{
			logger.log(Severity.ERROR, "An error has occurred while executing DELETE method. " + e.getMessage());
		}
		return true;
	}

	@Override
	public void commit()
    {
		int responseXMLNode = response.getXMLNode();

		addRequestDetailsToResponse(requestXML, responseXMLNode);
        int pathNode = Node.getElementNS(requestXML, "path", getNameSpace());
        Node.createElementWithParentNS("path", Node.getDataWithDefault(pathNode, ""), responseXMLNode);
		
		if (ftpConfiguration.getProtocol().equals("SFTP"))
		{
			document.createTextElement("status", statusMsg, responseXMLNode);			
		}
		else
		{
			document.createTextElement("statuscode", statusMsg.substring(0, 3), responseXMLNode);
			document.createTextElement("status", statusMsg.substring(4), responseXMLNode);			
		}
        
		/* After the command is complete, disconnect the adapter from the FTP server */
		adapter.disconnect();
    }
}